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Quantum Memory Crystals Are a Step Towards Futuristic Internet

By New Scientist

June 4, 2021

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Hugues de Riedmatten and colleagues at Spain's Institute of Photonic Sciences have taken a step toward a secure quantum Internet by using crystals to execute quantum teleportation of information.

The researchers were able to store a pair of entangled photons in yttrium orthosilicate crystals for 25 microseconds in two separate quantum memories.

The experiment was conducted between two laboratories connected by 50 meters (164 feet) of fiber-optic cable; theoretically, 25 microseconds would allow communication between devices that are up to five kilometers (3.1 miles) apart.

The researchers stored and retrieved photons in the order of transmission, and sent them using frequencies and cables used in data networks.

From New Scientist
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